Finding the Fourth Proportional to 211,539.26, 317,010.55 and 116,812.09
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Solution
The fourth proportional to 211,539.26, 317,010.55 and 116,812.09 is: 175,053.39
Step by Step Solution
- Step 1: Write the proportion equation
211,539.26 : 317,010.55 = 116,812.09 : x - Step 2: Convert to fraction form
211,539.26/317,010.55 = 116,812.09/x - Step 3: Cross multiply
211,539.26x = 317,010.55 × 116,812.09 - Step 4: Simplify right side
211,539.26x = 37,030,665,725.23 - Step 5: Solve for x
x = 37,030,665,725.23/211,539.26 - Step 6: Final answer
x = 175,053.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.